Piston assembly for a reciprocating engine
US-9845765-B2 · Dec 19, 2017 · US
the pistons being constructed from specific materials
the pistons being constructed from specific materials · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02F3/0084 |
| Official title | {the pistons being constructed from specific materials} |
| Display label | the pistons being constructed from specific materials |
| Total patents | 195 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 24 |
| 2017 | 24 |
| 2018 | 28 |
| 2019 | 26 |
| 2020 | 24 |
| 2021 | 16 |
| 2022 | 7 |
| 2023 | 15 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston of an internal combustion engine
US-2017350345-A1 · Dec 7, 2017 · US
Piston for an internal combustion engine
US-9765728-B2 · Sep 19, 2017 · US
Surface structure of aluminum-based member
US-2017254294-A1 · Sep 7, 2017 · US
Piston of internal combustion engine
US-9739233-B2 · Aug 22, 2017 · US
Piston including a composite layer applied to a metal substrate
US-2017184052-A1 · Jun 29, 2017 · US
Steel piston with counter-bore design
US-9677500-B2 · Jun 13, 2017 · US
Method for producing a porous shaped body
US-2017157672-A1 · Jun 8, 2017 · US
Method for producing a cast component with an insert
US-9670870-B2 · Jun 6, 2017 · US
Thermally insulated steel piston crown and method of making using a ceramic coating
US-2017145952-A1 · May 25, 2017 · US
Method for manufacturing piston for internal combustion engine
US-2017121839-A1 · May 4, 2017 · US
Engine piston and a process for making an engine piston
US-9611803-B2 · Apr 4, 2017 · US
Piston and Method of Piston Remanufacturing
US-2017057023-A1 · Mar 2, 2017 · US
Steel piston for an internal combustion engine and method for its production
US-9581104-B2 · Feb 28, 2017 · US
Method for producing a piston for a combustion engine
US-2017028464-A1 · Feb 2, 2017 · US
Piston for engine
US-2016312739-A1 · Oct 27, 2016 · US
Piston with complex shaped combustion bowl and cooling gallery and method of construction thereof
US-2016305365-A1 · Oct 20, 2016 · US
Piston for an interal combustion engine and cover plate for a piston
US-2016298523-A1 · Oct 13, 2016 · US
Method for producing a cast component with an insert
US-2016298571-A1 · Oct 13, 2016 · US
Piston thermal management in an opposed-piston engine
US-9464592-B2 · Oct 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F3/0084?
- CPC F02F3/0084 is the Cooperative Patent Classification code for “the pistons being constructed from specific materials.”
- How many patents are filed under CPC F02F3/0084 (the pistons being constructed from specific materials)?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/0084 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).